In our area katydids overwinter as eggs. Females deposit eggs in soil, plant stems or tree bark in late summer or fall. … Those species with sickle-shaped ovipositors typically lay eggs in plant stems while those with elongate ovipositors generally lay eggs in grass stems.

How long does it take katydid eggs to hatch?

Katydid eggs take 45 to 60 days to hatch, but they require a very humid environment in order to remain healthy.

How often do katydids hatch out?

Adult katydids appear in midsummer and continue to lay eggs during June and July. Some of these eggs will hatch in July and August (about 15%), whereas the rest will overwinter. The angularwinged species, however, emerges in late May and has only one generation a year, laying overwintering eggs during the summer.